1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/tests/arrow-functions/syntax-errors.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,38 @@
1.4 +// Check that we correctly throw SyntaxErrors for various syntactic near-misses.
1.5 +
1.6 +load(libdir + "asserts.js");
1.7 +
1.8 +var mistakes = [
1.9 + "((a)) => expr",
1.10 + "a + b => a",
1.11 + "'' + a => a",
1.12 + "...x",
1.13 + "[x] => x",
1.14 + "([x] => x)",
1.15 + "{p: p} => p",
1.16 + "({p: p} => p)",
1.17 + "{p} => p",
1.18 + "(...x => expr)",
1.19 + "1 || a => a",
1.20 + "'use strict' => {}",
1.21 + "package => {'use strict';}", // tricky: FutureReservedWord in strict mode code only
1.22 + "'use strict'; arguments => 0", // names banned in strict mode code
1.23 + "'use strict'; eval => 0",
1.24 + "a => {'use strict'; with (a) return x; }",
1.25 + "a => yield a",
1.26 + "a => { yield a; }",
1.27 + "a => { { let x; yield a; } }",
1.28 + "(a = yield 0) => a",
1.29 + "for (;;) a => { break; };",
1.30 + "for (;;) a => { continue; };",
1.31 + "...rest) =>",
1.32 + "2 + ...rest) =>"
1.33 +];
1.34 +
1.35 +for (var s of mistakes)
1.36 + assertThrowsInstanceOf(function () { Function(s); }, SyntaxError);
1.37 +
1.38 +// Check that the tricky case is not an error in non-strict-mode code.
1.39 +var f = package => 0;
1.40 +assertEq(f(1), 0);
1.41 +
